Home / 90,280.06-124,547.15-54,450.16

Finding the Fourth Proportional to 90,280.06, 124,547.15 and 54,450.16

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Solution

The fourth proportional to 90,280.06, 124,547.15 and 54,450.16 is: 75,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,280.06 : 124,547.15 = 54,450.16 : x
  2. Step 2: Convert to fraction form
    90,280.06/124,547.15 = 54,450.16/x
  3. Step 3: Cross multiply
    90,280.06x = 124,547.15 × 54,450.16
  4. Step 4: Simplify right side
    90,280.06x = 6,781,612,245.04
  5. Step 5: Solve for x
    x = 6,781,612,245.04/90,280.06
  6. Step 6: Final answer
    x = 75,117.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.